Best Automotive Replacement Idle Speed Control Relays in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Automotive Replacement Idle Speed Control Relays

irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay
#TOP1
Irhapsody 5 Pack 40/30 Amp 12V Dc Waterproof
9.8
PM SCORE
EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2
#TOP2
Ehdis Car Relay 4 Pin 12V 40Amp Spst
9.8
PM SCORE
irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay
#TOP3
Irhapsody Relay 120A, 12V Continuous Duty Relay, 4
9.8
PM SCORE

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Summary of the Best Automotive Replacement Idle Speed Control Relays of 2026

Market Overview
Automotive Replacement Idle Speed Control Relays Reviewed
  • Reviews Analyzed: 13580 Items
  • PM Avg. Rating: 7.7 / 10
21 Products Evaluated
  • Highest Price: $957.23
  • Lowest Price: $5.92
  • Avg. Price: $58.62

Irhapsody 5 Pack 40/30 Amp 12V Dc Waterproof Relay And Harness - Heavy Duty 12 Awg Tinned Copper Wires, 5-Pin Spdt Automotive Relay

IRHAPSODY
IY-5PINRELAY-5
7.85 X 1.60 X 1.70 Inches
1.10 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IRHAPSODY® Store 9.93

Features

Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for

12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water

Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors

Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g

Nominal Coil Voltage: 12 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC

Ehdis Car Relay 4 Pin 12V 40Amp Spst Model No.: Jd2912-1H-12Vdc 40A 14Vdc, Auto Switches & Starters,Pack Of 2

EHDIS
2C05-12V
1.06 X 1.06 X 0.98 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Ehdis 9.89

Features

Heavy duty 4-prongs SPST relays, jd1912 12v 40a relay

Use optional Relay Harness, or female Crimp Connectors

High 40A coil capacity- able to handle those high current applications with ease

Package Include: 2 x 40A 4-Pin 12V Vehicle Relays

The Automotive relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly

Irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay

IRHAPSODY
AUTORELAY-12V120A1P
1.77 X 1.77 X 2.95 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
IRHAPSODY® Store 9.93

Features

Coil power: 1.8w, and coil resistance is 80 ohms. It is more reliable than 2.4w((60 ohms) and 4.8w(30 ohms) relays on the market

Large capacity, high current carrying capacity, heavy-duty make/break relay

Ideal for split charging or any vehicle needing a high-power relay

Never go beyond its capabilities; try to stay 10 to 15% below what the rate is for

The size of the round stud terminals: M6/6mm

Hamolar 2 Pack 12V 40/30 Amp Car Relay Dc 5 Pin Spdt And Harness - Heavy Duty 12 Awg Copper Wires Relays Kit Bosch Style For Automotive Truck Van Motorcycle Boat

HAMOLAR
JD1914 WITH HARNESS SOCKET-2PCS
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hamolar 9.94

Features

The 12v relay harness base contains 3*12 AWG and 2*16 AWG cables, length: 5.5 in, which have higher load-bearing capacity and more stable performance.

Function: 12VDC (14V Max) 5 Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.

Wire Specifications: White - Ground (85), Blue - VDC (30), Black - Trigger (86), Red - Output N/C (87a), and Yellow - Output N/O (87).

The dc car relay adopts waterproof sealing technology at the bottom and a fixed back strip on the back, which is suitable for various complicated installation environments.

Relay and harness kit made by high-grade flame retardant materials to ensure superior quality and long lifespan. 2 Years Warranty.

Acdelco Professional D1741C Multi-Purpose Relay ‎3.6 X 2.2 X 1.7 Inches

ACDELCO
D1741C
3.60 X 2.20 X 1.70 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

Hamolar 2 Pack 12V 200 Amp Continuous Duty Relay Switch Car Starter Heavy Duty Split Charge 4 Terminal Spst Relays For Truck Boat Marine

HAMOLAR
RD-200
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Hamolar 9.94

Features

The 12v relay uses high-quality alloy terminals, and the internal contacts are silver-plated. Durable & Firm & Stable Contact Load: High Power Ideal for universal 12V applications.

Function: 12VDC (14V Max) 4-Pin SPST (Single Pole Single Throw) Relay with 200A High Switching Capability. Perfect for Split Charging or Various Automotive Applications.

High 200A coil capacity- able to handle those high current applications with ease, Heavy duty make or break (on/off) relay.

We are equipped with terminal and gaskets to make installation simple and easy.

Relay kit made by high-grade flame retardant materials to ensure superior quality and long lifespan. 2 Years Warranty.

Nilight 50044R 5 Pack Waterproof 40/30 Amp Heavy Duty 12 Awg Tinned Copper Wires 5-Pin Spdt Bosch Style 12V Automotive Relay And Harness Set,2 Year Warranty

NILIGHT
50044R
7.17 X 6.34 X 1.93 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

12 V DC automotive waterproof relays (max 14 V). Note: 12 V and 14 V are coil voltages, they are not the voltage that triggers the switch

Premium quality: durable relay and harness socket with 5 wires; made from high-grade materials to ensure superior quality and long lifespan

Pre-wired Harness: Heavy duty 12/16 AWG wiring harness. Black - 16AWG Pin85, White - 16AWG Pin86, Red - 12AWG Pin30 Yellow - 12AWG Pin87a, and Blue - 12AWG Pin87

Enhanced Waterproof - The 5-Pin relays are tightly sealed with strong cap and seal ring, excellent performance of waterproof, dust proof and moisture proof, works well in any weather conditions

Package includes: 5 pack Waterproof Relay and Harness. 1x User manual. 2 Year Warranty by Nilight.

Acdelco Professional 15-50961 Auxiliary Heating And Air Conditioning Blower Motor Relay

ACDELCO
15-50961
2.50 X 1.70 X 1.70 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Professional, premium aftermarket replacement

Provides the performance and dependability you expect from ACDelco

Manufactured to meet expectations for fit, form, and function

Mounting Type: Press-In

10 Pack 30/40 Amp Waterproof 5-Pin 12V Relay Switch (Spdt)For 12 Volt Automotive Marine Relays For Boats Auto Fan Cars

KEYHAO
12V-30/40A
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HcaIory store 3.05

Features

12V waterproof 5-Pin SPDT Relay Excellent waterproof and dustproof ability, high quality in any weather conditions

12V 5-Pin SPDT Relay Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).

SPDT Relay with 40A/30A High Switching Capability,it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated.

12v relays can operate with anywhere between 9v and 14v,Very suitable for 12V automotive, marine, and machine circuits.

These 12V 5-pin relays are rated to handle 30A on normally closed pin 87a and 40A on normally open pin 87.

Standard Motor Products Ry612 Relay

STANDARD MOTOR PRODUCTS
RY612
2.00 X 2.00 X 3.00 Inches
0.06 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Product Type: Auto Part

Package Quantity: 1

Package Weight: 0.5 lbs

Country Of Origin: China

Standard Motor Products Ry116T Relay

STANDARD MOTOR PRODUCTS
RY116T
1.50 X 1.20 X 2.90 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Pvp

Standard Motor Products Ry116T

Package Height: 7.6 Centimeters

Item Package Weight: 0.59 Pounds

4 Pack 8T2T-14B192-Aa Multi-Function Relay 4-Pin 8T2T14B192Aa Oem Relays Compatible For F150 F-250

JESUNK
8T2T-14B192-AA, 8T2T14B192AA
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
JESUNK 9.86

Features

1order = 4 Pieces

Special features: Relay For FUSION F150

Better Performance

Made from high-quality materials, good bending performance, melting resistance and excellent electrical conductivity

Nilight Spdt Relay Replacement 12V 5 Prong Spdt Auto Tilt Trim Relay (Pack Of 10) 40/30 Amp Electrical Power Relay Switch 5 Pin Bosch Style Relay For Automotive Cars Marine Boats,2 Years Warranty

NILIGHT
50043R
0.39 X 0.39 X 0.39 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

5 Pin SPDT (Single Pole Double Throw) Bosch Style Electrical Relay.

40A/30A High Switching Capability. These relays have a universal application and can be used in a 12 Volt DC power source, such as automotive setups, car sound systems, security systems, and various other applications.

Pin Specifications: 30V DC. Ground (85), Trigger (86), Output N/C (87a), and Output N/O (87).

Maximum Applied Voltage: 15.6 V DC; Max Operating Voltage is 27V DC; Nominal Coil Voltage: 12 V DC; Max Operating Current: 40A; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Insulation Resistance: 100MΩ

Package include: 10 pack electrical relays. Sockets are not included.

Fit Type: Universal Fit

5 Pin 12V Relay 12V 30A Relay Multi Purpose Automotive Relay Black Starter Relay Car Heavy Duty Relay For Car Motor Automotive Replacement Accessories (4 Pieces)

TALLEW
1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Yungmaii 9.92

Features

Sufficient for using: 5 pin! 5 pin! 5 pin! you will receive 4 pieces 12V 30A 5 pin relays, the size is about 1.02 x 0.94 x 0.63 inch/ 2.6 x 2.4 x 1.6 cm, enough quantity can meet your daily use and replacement, you can share them with your friends and family who need them, these relays are 5 plug please note when ordering

Product number: The product is not suitable for all models and brands, please check the specifications carefully to confirm whether it is applicable before purchasing,The product model is JD1914-12V-30A, 12V 30A SPDT 5 Pin Relay

5 Pin 12V 30A Relay Multi-Purpose Automotive Relay Heavy Duty Standard Relay For Car Motor, Auto Replacement Accessories, Pack Of 4

BLAU GRUN
BLAU GRUN-RELAY
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BLAU GRUN 9.77

Features

[Reliable Quality] The black shell is made of nylon material, which is electrical insulation, and the pin is made of brass, which can withstand cold and hot condition. Very durable and sturdy in use, no deformation and rust, perfectly made for long-term use.

[Specification] The size is 1.41 x 0.94 x 0.63 inch/ 3.6 x 2.4 x 1.6 cm approximately. Our 30A 12V relay can be used to control the circuits of components with high amperage loads on vehicle, such as headlights, fuel pumps and cooling fans.

[Easy to Use] Our motor relayis suitable for normal antomobile to use, simple operation, you only need to connect the relay and wire, no need other tools, very convenient and easy to use and replace, allow components work normally.

[Application] Our product can be applied to car tail light, engine compartment, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handles solenoids, trunk solenoids and more equipment.

[Customer Service] You will receive 4 pieces 12V 30A 5 pin relays. We offer 12-month warranty for every order, you can buy with confidence. If you have any questions and concerns, please feel free to let us know, our team will respond asap!

Power Trim And Tilt Relay Automotive Relay 584416 586224 Replacement For Car Boat Outboard Motor, 30Amp, 12V (4 Pieces)

TALLEW
TALLEW-RELAY-0461
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Yungmaii 9.92

Features

Sufficient Quantity for Using: the package comes with 4 pieces of automotive replacement electrical system relays, enough to meet your using and replacing demands in daily life, bringing you lots of convenience

Reliable Workmanship for Lasting Service: made of a nylon shell and brass pins, the tilt trim relay is compact and serviceable in structure, hardly breaking or deforming, helping you adjust and transform circuit stably

Nice Replacement for Many Relays: the electrical relay box can be a nice replacement for 582195, 582472, 582473, 584416, 586147 and 586224, offering you a pleasant using experience

Easy to Operate: to use the automotive relay, you just need to insert it in the circuit by connecting it with wires, convenient to install and replace, not occupying too much time, easy to carry around

Satisfactory Practicality in Life: the power trim and tilt relay can be widely applied on various occasions, such as automobile, boat, and many other electric equipment, convenient and efficient

Labwork Power Steering Pressure Switch Idle Speed For Honda Accord Crv Acura Rdx

LABWORK
DOES NOT APPLY
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
labwork-parts 9.79

Features

Fit For RDX 2007-2011 / CR-V 2002-2011 / TSX 2004-2008 / Accord 2003-2007 / RSX 2002-2006 / Element 2003

Part number:56490-PNA-003

Built to strict quality control standards

Quality materials used

Easy installation

4 Pcs Multi-Purpose Automobile Relay, 5 Pin 12V 30A Relay, Multi Purpose Automotive Relay Black Starter Relay Car Heavy Duty Relay For Car Motor Automotive Replacement Accessories

DWARFOO
QP5037
1.42 X 0.94 X 0.63 Inches
0.18 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
DWARFOO 9.88

Features

[High quality material]: Multi-Purpose Relay is made of nylon shell material, brass pin material, can withstand hot and cold conditions, stable structure, not easy to fracture, deformation, rust, long-term use

[Easy to use]: There is no need for other tools, motor relay is simple to operate, just connect the relay with the wire, convenient for you to use and replace, let your components work normally

[Widely used]: The auto relay is used in taillight, engine compartment, trunk solenoid, electric cooling fan, electric water pump, electric fuel pump, door knob solenoid and other equipment

Easy to use]: There is no need for other tools, motor relay is simple to operate, just connect the relay with the wire, convenient for you to use and replace, let your components work normally

Muilty-Purpose 5 Pin Automotive Relay(12V 30A),High Power Trim Starter Relay,Suitable For Car Motor Headlamps,Engine Compartment,Horn,Fuel Pumps,Trunk Solenoids (2Pcs-12V-5)

AOKDOM
AOKDOM-JI DIAN QI-0501
1.60 X 0.90 X 0.70 Inches
0.04 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aokdom 5.35

Features

<ul> <li>Please note! : Products are not suitable for all makes and models. Please check the specifications carefully to confirm suitability before purchase. The model number is JD1914-12V-30A, 12V 30A SPDT 5-pin relay. Laser engraved, environmentally friendly.</li> </ul>

<ul> <li>【Standard 12 V Relay】This 5-pin relay operates at 12V and measures about 1.02 x 0.94 x 0.63 inches,more versatile than a 4-pin relay,with a set of power normally open,a set of normally power closed,a set of power conversioon conntact arrangement,and can control normally open or normally closed high power.</li> </ul>

<ul> <li>【Strict quality requirements】We have been using excellent new pure copper, the team laboratory after tens of thousands of tests, the service life can reach more than 100,000 times. Only to ensure that the product is excellent, so that you can use the safety and peace of mind.</li> </ul>

<ul> <li>【More Purpose 5-Pin Relay】Automotive relays are used in various applications such as home appliances, automation systems, electronic equipment, instruments, receivers, audio equipment, automotive intelligence, etc,and are very easy to use.</li> </ul>

<ul> <li>【Reliable construction】The motor relay adopts pure copper pin and silver alloy contact, which improves the stability of the contact as well as sensitivity, stronger conductivity, and carries more electric flow. Insulated housing seam is treated with water-proof, which can work normally in bad environment such as rain and snow</li> </ul>

#TOP20

Red Hawk Con-Xct500Txt48 Controller Compatible With/Replacement For E-Z-Go Txt, 48V Amperage 500A Golf Carts

RED HAWK
CON-XCT500TXT48
10.00 X 11.70 X 7.00 inches
6.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

30-DAY RETURN POLICY/1-YEAR WARRANTY: If your order arrives and it’s not exactly what you want, you may return it within 30 days for a refund. We know that people sometimes order a part and then discover it’s not exactly the one they need for the repair. We understand and want to work with you. Just make sure the item is in its original packaging and in good condition free of damage. Outside of 30-days, we will replace it anytime within one year of your order.

Replaces OEM Numbers: Red Hawk: CON-XCT500TXT48

RELIABLE FITMENT: Please verify this is the right part number before ordering. We pride ourselves in providing reliable fitment data so you can find the right part to get the job done. If you believe we have an error, we would be grateful for your feedback.

Specs: Controller Notes: All Solenoids require diodes and pre-charge resistors, Choose from 300A, 400A and 500A models, Fan assembly allows for longer continuous power output for heavy duty applications, Fuses are included with controllers, Native OEM connectors eliminate the need for adapter boards or cutting and jumping wires to install a controller, OEM style speed controller or Alltrax's "Go Fast" mode, Proper current capacity solenoids required for use with Alltrax controllers, DO NOT use

Compatible With/Replacement For: E-Z-GO: TXT, 48V

#TOP21

Wve By Ntk 1R1311 Idle Speed Control Relay, 1 Pack

WVE BY NTK
1R1311
0.20 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Relays carry high-amperage current controlled by a low-current switch

When a faulty relay is not replaced, the circuit will either be non-functional or remain engaged

Designed to meet or exceed OE specifications in form, fit and function

Global coverage for import and/or domestic applications

Top 10 automotive replacement idle speed control relays Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Acdelco 2
Hamolar 2
Irhapsody 2
Nilight 2
Standard Motor Products 2
Tallew 2
Aokdom 1
Blau Grun 1
Dwarfoo 1
Ehdis 1

Top 10 automotive replacement idle speed control relays Brands Pie Chart


We've carried out a comprehensive analysis of 13,580 reviews on automotive replacement idle speed control relays, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select automotive replacement idle speed control relays priced around $58.62, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 21 automotive replacement idle speed control relays for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right relays Products based on their needs, saving them considerable time when choosing which automotive replacement idle speed control relays to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.